Milwaukee 48-32-4443 Power Bit, #2, #1 Drive, ECX Drive, 1/4 in Shank, Hex Shank, 2 in L, Carbon Steel

Impact duty ECX driver bits are engineered for extreme durability and long-life. ECX driver bits are a combination of Phillip's, square recess and slotted tips designed for great grip to eliminate rounding out fastener heads. Made from proprietary steel and heat-treated to control hardness and absorb shock. Forged tip allows for a secure grip and maximum contact eliminating stripping or slipping.